59 lines
2.5 KiB
C++
59 lines
2.5 KiB
C++
#ifndef BWIDGETS_INPUT_HPP
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#define BWIDGETS_INPUT_HPP
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#include <basic_widgets/core/type/concepts.hpp>
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#include <basic_widgets/w/base/widget.hpp>
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#include <basic_widgets/w/feat/font_handler.hpp>
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#include <basic_widgets/w/feat/keyboard_handler.hpp>
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#include <basic_widgets/w/feat/mouse_handler.hpp>
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namespace bwidgets
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{
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template<typename T>
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class Input : public virtual Widget,
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public virtual FontHandler,
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public virtual KeyboardHandler,
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public virtual MouseHandler
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{
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protected:
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using Widget::Widget;
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public:
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static const int default_border_width = 3;
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inline static const Color default_color_bg = {200, 200, 200, SDL_ALPHA_OPAQUE};
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inline static const Color default_color_bg_focused = {255, 255, 255,
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SDL_ALPHA_OPAQUE};
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static const int default_float_precision = 2;
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static const int default_min_width = 1;
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int border_width = default_border_width;
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Color color_bg_default = default_color_bg;
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Color color_bg_focused = default_color_bg_focused;
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int float_precision = default_float_precision;
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int input_min_width = default_min_width;
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char input_width_unit = 'W'; // char used as unit for text length computation.
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T value {};
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// Get the current displayed string.
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[[nodiscard]] virtual auto input_text() const -> std::string_view = 0;
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// Set displayed string
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virtual void input_text(std::string) = 0;
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virtual void input_text_color(Color) = 0;
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// Check if a character is allowed to be inputted. String are used because we
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// could have multibytes characters to represent using 8bits chars.
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[[nodiscard]] virtual auto is_valid_input(std::string_view) const noexcept
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-> bool = 0;
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// Process a value for instance to modify it before saving it.
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[[nodiscard]] virtual auto process_value(T) const noexcept -> T = 0;
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// Get string representation to be shown of the stored value.
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[[nodiscard]] virtual auto value_from_string(std::string_view) const noexcept
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-> T = 0;
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// Parse a string to get its representation in T type of input value memory.
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[[nodiscard]] virtual auto value_to_string(T) const noexcept -> std::string = 0;
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};
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}
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#endif
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